| Value | Category | Cases | |
|---|---|---|---|
| 1 | low | 200 |
43.2%
|
| 2 | no pressure | 44 |
9.5%
|
| 3 | medium | 145 |
31.3%
|
| 4 | high | 74 |
16%
|
| Sysmiss | 315 |